An introduction to ONIX metadata

Another introduction to ONIX metadata

And another introduction to ONIX

Some information about what the Publishing status code number means

ONIX information from the standards maintainer

ONIX file naming

More ONIX file naming (pdf)

Even more ONIX file naming (pdf)

Centraal Boekhuis ONIX API information (Dutch only). New link, since CB is to disfunctional to even maintain their own namespace. Even een redirect from to the new url is to difficult?

PHP code for parsing ONIX XML

More PHP code for parsing ONIX XML

Perl code for parsing / importing ONIX XML

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